Max Lv
8 years ago
4 changed files with 804 additions and 9 deletions
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10README.md
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0auto/config.rpath
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26configure.ac
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777m4/lib-link.m4
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# lib-link.m4 serial 26 (gettext-0.18.2) |
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dnl Copyright (C) 2001-2014 Free Software Foundation, Inc. |
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dnl This file is free software; the Free Software Foundation |
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dnl gives unlimited permission to copy and/or distribute it, |
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dnl with or without modifications, as long as this notice is preserved. |
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|
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dnl From Bruno Haible. |
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|
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AC_PREREQ([2.54]) |
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|
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dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and |
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dnl the libraries corresponding to explicit and implicit dependencies. |
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dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and |
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dnl augments the CPPFLAGS variable. |
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dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname |
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dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem. |
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AC_DEFUN([AC_LIB_LINKFLAGS], |
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[ |
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AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) |
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AC_REQUIRE([AC_LIB_RPATH]) |
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pushdef([Name],[m4_translit([$1],[./+-], [____])]) |
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pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], |
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) |
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AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [ |
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AC_LIB_LINKFLAGS_BODY([$1], [$2]) |
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ac_cv_lib[]Name[]_libs="$LIB[]NAME" |
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ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME" |
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ac_cv_lib[]Name[]_cppflags="$INC[]NAME" |
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ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX" |
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]) |
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LIB[]NAME="$ac_cv_lib[]Name[]_libs" |
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LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs" |
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INC[]NAME="$ac_cv_lib[]Name[]_cppflags" |
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LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix" |
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AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) |
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AC_SUBST([LIB]NAME) |
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AC_SUBST([LTLIB]NAME) |
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AC_SUBST([LIB]NAME[_PREFIX]) |
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dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the |
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dnl results of this search when this library appears as a dependency. |
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HAVE_LIB[]NAME=yes |
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popdef([NAME]) |
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popdef([Name]) |
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]) |
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|
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dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode, [missing-message]) |
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dnl searches for libname and the libraries corresponding to explicit and |
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dnl implicit dependencies, together with the specified include files and |
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dnl the ability to compile and link the specified testcode. The missing-message |
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dnl defaults to 'no' and may contain additional hints for the user. |
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dnl If found, it sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} |
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dnl and LTLIB${NAME} variables and augments the CPPFLAGS variable, and |
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dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs |
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dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty. |
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dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname |
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dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem. |
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AC_DEFUN([AC_LIB_HAVE_LINKFLAGS], |
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[ |
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AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) |
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AC_REQUIRE([AC_LIB_RPATH]) |
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pushdef([Name],[m4_translit([$1],[./+-], [____])]) |
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pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], |
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) |
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|
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dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME |
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dnl accordingly. |
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AC_LIB_LINKFLAGS_BODY([$1], [$2]) |
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|
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dnl Add $INC[]NAME to CPPFLAGS before performing the following checks, |
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dnl because if the user has installed lib[]Name and not disabled its use |
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dnl via --without-lib[]Name-prefix, he wants to use it. |
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ac_save_CPPFLAGS="$CPPFLAGS" |
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AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) |
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|
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AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [ |
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ac_save_LIBS="$LIBS" |
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dnl If $LIB[]NAME contains some -l options, add it to the end of LIBS, |
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dnl because these -l options might require -L options that are present in |
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dnl LIBS. -l options benefit only from the -L options listed before it. |
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dnl Otherwise, add it to the front of LIBS, because it may be a static |
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dnl library that depends on another static library that is present in LIBS. |
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dnl Static libraries benefit only from the static libraries listed after |
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dnl it. |
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case " $LIB[]NAME" in |
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*" -l"*) LIBS="$LIBS $LIB[]NAME" ;; |
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*) LIBS="$LIB[]NAME $LIBS" ;; |
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esac |
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AC_LINK_IFELSE( |
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[AC_LANG_PROGRAM([[$3]], [[$4]])], |
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[ac_cv_lib[]Name=yes], |
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[ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])']) |
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LIBS="$ac_save_LIBS" |
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]) |
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if test "$ac_cv_lib[]Name" = yes; then |
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HAVE_LIB[]NAME=yes |
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AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the lib][$1 library.]) |
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AC_MSG_CHECKING([how to link with lib[]$1]) |
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AC_MSG_RESULT([$LIB[]NAME]) |
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else |
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HAVE_LIB[]NAME=no |
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dnl If $LIB[]NAME didn't lead to a usable library, we don't need |
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dnl $INC[]NAME either. |
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CPPFLAGS="$ac_save_CPPFLAGS" |
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LIB[]NAME= |
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LTLIB[]NAME= |
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LIB[]NAME[]_PREFIX= |
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fi |
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AC_SUBST([HAVE_LIB]NAME) |
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AC_SUBST([LIB]NAME) |
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AC_SUBST([LTLIB]NAME) |
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AC_SUBST([LIB]NAME[_PREFIX]) |
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popdef([NAME]) |
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popdef([Name]) |
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]) |
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|
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dnl Determine the platform dependent parameters needed to use rpath: |
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dnl acl_libext, |
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dnl acl_shlibext, |
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dnl acl_libname_spec, |
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dnl acl_library_names_spec, |
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dnl acl_hardcode_libdir_flag_spec, |
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dnl acl_hardcode_libdir_separator, |
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dnl acl_hardcode_direct, |
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dnl acl_hardcode_minus_L. |
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AC_DEFUN([AC_LIB_RPATH], |
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[ |
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dnl Tell automake >= 1.10 to complain if config.rpath is missing. |
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m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])]) |
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AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS |
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AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld |
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AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host |
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AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir |
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AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [ |
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CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ |
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${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh |
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. ./conftest.sh |
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rm -f ./conftest.sh |
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acl_cv_rpath=done |
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]) |
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wl="$acl_cv_wl" |
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acl_libext="$acl_cv_libext" |
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acl_shlibext="$acl_cv_shlibext" |
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acl_libname_spec="$acl_cv_libname_spec" |
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acl_library_names_spec="$acl_cv_library_names_spec" |
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acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" |
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acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" |
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acl_hardcode_direct="$acl_cv_hardcode_direct" |
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acl_hardcode_minus_L="$acl_cv_hardcode_minus_L" |
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dnl Determine whether the user wants rpath handling at all. |
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AC_ARG_ENABLE([rpath], |
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[ --disable-rpath do not hardcode runtime library paths], |
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:, enable_rpath=yes) |
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]) |
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|
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dnl AC_LIB_FROMPACKAGE(name, package) |
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dnl declares that libname comes from the given package. The configure file |
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dnl will then not have a --with-libname-prefix option but a |
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dnl --with-package-prefix option. Several libraries can come from the same |
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dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar |
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dnl macro call that searches for libname. |
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AC_DEFUN([AC_LIB_FROMPACKAGE], |
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[ |
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pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], |
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) |
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define([acl_frompackage_]NAME, [$2]) |
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popdef([NAME]) |
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pushdef([PACK],[$2]) |
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pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], |
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) |
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define([acl_libsinpackage_]PACKUP, |
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m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1]) |
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popdef([PACKUP]) |
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popdef([PACK]) |
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]) |
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|
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dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and |
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dnl the libraries corresponding to explicit and implicit dependencies. |
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dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables. |
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dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found |
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dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem. |
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AC_DEFUN([AC_LIB_LINKFLAGS_BODY], |
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[ |
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AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) |
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pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], |
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) |
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pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])]) |
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pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], |
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) |
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pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])]) |
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dnl Autoconf >= 2.61 supports dots in --with options. |
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pushdef([P_A_C_K],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[m4_translit(PACK,[.],[_])],PACK)]) |
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dnl By default, look in $includedir and $libdir. |
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use_additional=yes |
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AC_LIB_WITH_FINAL_PREFIX([ |
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eval additional_includedir=\"$includedir\" |
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eval additional_libdir=\"$libdir\" |
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]) |
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AC_ARG_WITH(P_A_C_K[-prefix], |
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[[ --with-]]P_A_C_K[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib |
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--without-]]P_A_C_K[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]], |
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[ |
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if test "X$withval" = "Xno"; then |
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use_additional=no |
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else |
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if test "X$withval" = "X"; then |
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AC_LIB_WITH_FINAL_PREFIX([ |
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eval additional_includedir=\"$includedir\" |
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eval additional_libdir=\"$libdir\" |
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]) |
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else |
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additional_includedir="$withval/include" |
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additional_libdir="$withval/$acl_libdirstem" |
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if test "$acl_libdirstem2" != "$acl_libdirstem" \ |
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&& ! test -d "$withval/$acl_libdirstem"; then |
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additional_libdir="$withval/$acl_libdirstem2" |
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fi |
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fi |
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fi |
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]) |
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dnl Search the library and its dependencies in $additional_libdir and |
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dnl $LDFLAGS. Using breadth-first-seach. |
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LIB[]NAME= |
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LTLIB[]NAME= |
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INC[]NAME= |
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LIB[]NAME[]_PREFIX= |
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dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been |
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dnl computed. So it has to be reset here. |
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HAVE_LIB[]NAME= |
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rpathdirs= |
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ltrpathdirs= |
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names_already_handled= |
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names_next_round='$1 $2' |
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while test -n "$names_next_round"; do |
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names_this_round="$names_next_round" |
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names_next_round= |
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for name in $names_this_round; do |
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already_handled= |
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for n in $names_already_handled; do |
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if test "$n" = "$name"; then |
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already_handled=yes |
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break |
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fi |
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done |
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if test -z "$already_handled"; then |
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names_already_handled="$names_already_handled $name" |
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dnl See if it was already located by an earlier AC_LIB_LINKFLAGS |
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dnl or AC_LIB_HAVE_LINKFLAGS call. |
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uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` |
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eval value=\"\$HAVE_LIB$uppername\" |
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if test -n "$value"; then |
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if test "$value" = yes; then |
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eval value=\"\$LIB$uppername\" |
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test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" |
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eval value=\"\$LTLIB$uppername\" |
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test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" |
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else |
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dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined |
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dnl that this library doesn't exist. So just drop it. |
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: |
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fi |
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else |
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dnl Search the library lib$name in $additional_libdir and $LDFLAGS |
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dnl and the already constructed $LIBNAME/$LTLIBNAME. |
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found_dir= |
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found_la= |
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found_so= |
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found_a= |
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eval libname=\"$acl_libname_spec\" # typically: libname=lib$name |
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if test -n "$acl_shlibext"; then |
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shrext=".$acl_shlibext" # typically: shrext=.so |
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else |
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shrext= |
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fi |
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if test $use_additional = yes; then |
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dir="$additional_libdir" |
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dnl The same code as in the loop below: |
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dnl First look for a shared library. |
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if test -n "$acl_shlibext"; then |
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if test -f "$dir/$libname$shrext"; then |
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found_dir="$dir" |
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found_so="$dir/$libname$shrext" |
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else |
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if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then |
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ver=`(cd "$dir" && \ |
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for f in "$libname$shrext".*; do echo "$f"; done \ |
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| sed -e "s,^$libname$shrext\\\\.,," \ |
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| sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ |
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| sed 1q ) 2>/dev/null` |
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if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then |
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found_dir="$dir" |
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found_so="$dir/$libname$shrext.$ver" |
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fi |
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else |
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eval library_names=\"$acl_library_names_spec\" |
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for f in $library_names; do |
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if test -f "$dir/$f"; then |
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found_dir="$dir" |
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found_so="$dir/$f" |
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break |
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fi |
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done |
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fi |
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fi |
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fi |
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dnl Then look for a static library. |
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if test "X$found_dir" = "X"; then |
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if test -f "$dir/$libname.$acl_libext"; then |
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found_dir="$dir" |
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found_a="$dir/$libname.$acl_libext" |
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fi |
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fi |
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if test "X$found_dir" != "X"; then |
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if test -f "$dir/$libname.la"; then |
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found_la="$dir/$libname.la" |
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fi |
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fi |
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fi |
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if test "X$found_dir" = "X"; then |
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for x in $LDFLAGS $LTLIB[]NAME; do |
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AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
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case "$x" in |
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-L*) |
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dir=`echo "X$x" | sed -e 's/^X-L//'` |
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dnl First look for a shared library. |
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if test -n "$acl_shlibext"; then |
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if test -f "$dir/$libname$shrext"; then |
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found_dir="$dir" |
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found_so="$dir/$libname$shrext" |
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else |
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if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then |
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ver=`(cd "$dir" && \ |
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for f in "$libname$shrext".*; do echo "$f"; done \ |
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| sed -e "s,^$libname$shrext\\\\.,," \ |
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| sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ |
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| sed 1q ) 2>/dev/null` |
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if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then |
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found_dir="$dir" |
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found_so="$dir/$libname$shrext.$ver" |
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fi |
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else |
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eval library_names=\"$acl_library_names_spec\" |
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for f in $library_names; do |
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if test -f "$dir/$f"; then |
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found_dir="$dir" |
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found_so="$dir/$f" |
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break |
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fi |
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done |
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fi |
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fi |
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fi |
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dnl Then look for a static library. |
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if test "X$found_dir" = "X"; then |
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if test -f "$dir/$libname.$acl_libext"; then |
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found_dir="$dir" |
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found_a="$dir/$libname.$acl_libext" |
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fi |
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fi |
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if test "X$found_dir" != "X"; then |
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if test -f "$dir/$libname.la"; then |
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found_la="$dir/$libname.la" |
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fi |
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fi |
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;; |
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esac |
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if test "X$found_dir" != "X"; then |
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break |
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fi |
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done |
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fi |
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if test "X$found_dir" != "X"; then |
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dnl Found the library. |
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LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" |
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if test "X$found_so" != "X"; then |
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dnl Linking with a shared library. We attempt to hardcode its |
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dnl directory into the executable's runpath, unless it's the |
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dnl standard /usr/lib. |
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if test "$enable_rpath" = no \ |
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|| test "X$found_dir" = "X/usr/$acl_libdirstem" \ |
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|| test "X$found_dir" = "X/usr/$acl_libdirstem2"; then |
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dnl No hardcoding is needed. |
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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else |
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dnl Use an explicit option to hardcode DIR into the resulting |
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dnl binary. |
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dnl Potentially add DIR to ltrpathdirs. |
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dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. |
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haveit= |
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for x in $ltrpathdirs; do |
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if test "X$x" = "X$found_dir"; then |
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haveit=yes |
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break |
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fi |
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done |
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if test -z "$haveit"; then |
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ltrpathdirs="$ltrpathdirs $found_dir" |
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fi |
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dnl The hardcoding into $LIBNAME is system dependent. |
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if test "$acl_hardcode_direct" = yes; then |
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dnl Using DIR/libNAME.so during linking hardcodes DIR into the |
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dnl resulting binary. |
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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else |
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if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then |
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dnl Use an explicit option to hardcode DIR into the resulting |
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dnl binary. |
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LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
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dnl Potentially add DIR to rpathdirs. |
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dnl The rpathdirs will be appended to $LIBNAME at the end. |
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haveit= |
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for x in $rpathdirs; do |
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if test "X$x" = "X$found_dir"; then |
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haveit=yes |
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break |
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fi |
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done |
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if test -z "$haveit"; then |
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rpathdirs="$rpathdirs $found_dir" |
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fi |
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else |
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dnl Rely on "-L$found_dir". |
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dnl But don't add it if it's already contained in the LDFLAGS |
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dnl or the already constructed $LIBNAME |
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haveit= |
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for x in $LDFLAGS $LIB[]NAME; do |
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AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
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if test "X$x" = "X-L$found_dir"; then |
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haveit=yes |
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break |
|||
fi |
|||
done |
|||
if test -z "$haveit"; then |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" |
|||
fi |
|||
if test "$acl_hardcode_minus_L" != no; then |
|||
dnl FIXME: Not sure whether we should use |
|||
dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" |
|||
dnl here. |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" |
|||
else |
|||
dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH |
|||
dnl here, because this doesn't fit in flags passed to the |
|||
dnl compiler. So give up. No hardcoding. This affects only |
|||
dnl very old systems. |
|||
dnl FIXME: Not sure whether we should use |
|||
dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" |
|||
dnl here. |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" |
|||
fi |
|||
fi |
|||
fi |
|||
fi |
|||
else |
|||
if test "X$found_a" != "X"; then |
|||
dnl Linking with a static library. |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" |
|||
else |
|||
dnl We shouldn't come here, but anyway it's good to have a |
|||
dnl fallback. |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" |
|||
fi |
|||
fi |
|||
dnl Assume the include files are nearby. |
|||
additional_includedir= |
|||
case "$found_dir" in |
|||
*/$acl_libdirstem | */$acl_libdirstem/) |
|||
basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` |
|||
if test "$name" = '$1'; then |
|||
LIB[]NAME[]_PREFIX="$basedir" |
|||
fi |
|||
additional_includedir="$basedir/include" |
|||
;; |
|||
*/$acl_libdirstem2 | */$acl_libdirstem2/) |
|||
basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` |
|||
if test "$name" = '$1'; then |
|||
LIB[]NAME[]_PREFIX="$basedir" |
|||
fi |
|||
additional_includedir="$basedir/include" |
|||
;; |
|||
esac |
|||
if test "X$additional_includedir" != "X"; then |
|||
dnl Potentially add $additional_includedir to $INCNAME. |
|||
dnl But don't add it |
|||
dnl 1. if it's the standard /usr/include, |
|||
dnl 2. if it's /usr/local/include and we are using GCC on Linux, |
|||
dnl 3. if it's already present in $CPPFLAGS or the already |
|||
dnl constructed $INCNAME, |
|||
dnl 4. if it doesn't exist as a directory. |
|||
if test "X$additional_includedir" != "X/usr/include"; then |
|||
haveit= |
|||
if test "X$additional_includedir" = "X/usr/local/include"; then |
|||
if test -n "$GCC"; then |
|||
case $host_os in |
|||
linux* | gnu* | k*bsd*-gnu) haveit=yes;; |
|||
esac |
|||
fi |
|||
fi |
|||
if test -z "$haveit"; then |
|||
for x in $CPPFLAGS $INC[]NAME; do |
|||
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|||
if test "X$x" = "X-I$additional_includedir"; then |
|||
haveit=yes |
|||
break |
|||
fi |
|||
done |
|||
if test -z "$haveit"; then |
|||
if test -d "$additional_includedir"; then |
|||
dnl Really add $additional_includedir to $INCNAME. |
|||
INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" |
|||
fi |
|||
fi |
|||
fi |
|||
fi |
|||
fi |
|||
dnl Look for dependencies. |
|||
if test -n "$found_la"; then |
|||
dnl Read the .la file. It defines the variables |
|||
dnl dlname, library_names, old_library, dependency_libs, current, |
|||
dnl age, revision, installed, dlopen, dlpreopen, libdir. |
|||
save_libdir="$libdir" |
|||
case "$found_la" in |
|||
*/* | *\\*) . "$found_la" ;; |
|||
*) . "./$found_la" ;; |
|||
esac |
|||
libdir="$save_libdir" |
|||
dnl We use only dependency_libs. |
|||
for dep in $dependency_libs; do |
|||
case "$dep" in |
|||
-L*) |
|||
additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` |
|||
dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. |
|||
dnl But don't add it |
|||
dnl 1. if it's the standard /usr/lib, |
|||
dnl 2. if it's /usr/local/lib and we are using GCC on Linux, |
|||
dnl 3. if it's already present in $LDFLAGS or the already |
|||
dnl constructed $LIBNAME, |
|||
dnl 4. if it doesn't exist as a directory. |
|||
if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ |
|||
&& test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then |
|||
haveit= |
|||
if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ |
|||
|| test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then |
|||
if test -n "$GCC"; then |
|||
case $host_os in |
|||
linux* | gnu* | k*bsd*-gnu) haveit=yes;; |
|||
esac |
|||
fi |
|||
fi |
|||
if test -z "$haveit"; then |
|||
haveit= |
|||
for x in $LDFLAGS $LIB[]NAME; do |
|||
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|||
if test "X$x" = "X-L$additional_libdir"; then |
|||
haveit=yes |
|||
break |
|||
fi |
|||
done |
|||
if test -z "$haveit"; then |
|||
if test -d "$additional_libdir"; then |
|||
dnl Really add $additional_libdir to $LIBNAME. |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" |
|||
fi |
|||
fi |
|||
haveit= |
|||
for x in $LDFLAGS $LTLIB[]NAME; do |
|||
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|||
if test "X$x" = "X-L$additional_libdir"; then |
|||
haveit=yes |
|||
break |
|||
fi |
|||
done |
|||
if test -z "$haveit"; then |
|||
if test -d "$additional_libdir"; then |
|||
dnl Really add $additional_libdir to $LTLIBNAME. |
|||
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" |
|||
fi |
|||
fi |
|||
fi |
|||
fi |
|||
;; |
|||
-R*) |
|||
dir=`echo "X$dep" | sed -e 's/^X-R//'` |
|||
if test "$enable_rpath" != no; then |
|||
dnl Potentially add DIR to rpathdirs. |
|||
dnl The rpathdirs will be appended to $LIBNAME at the end. |
|||
haveit= |
|||
for x in $rpathdirs; do |
|||
if test "X$x" = "X$dir"; then |
|||
haveit=yes |
|||
break |
|||
fi |
|||
done |
|||
if test -z "$haveit"; then |
|||
rpathdirs="$rpathdirs $dir" |
|||
fi |
|||
dnl Potentially add DIR to ltrpathdirs. |
|||
dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. |
|||
haveit= |
|||
for x in $ltrpathdirs; do |
|||
if test "X$x" = "X$dir"; then |
|||
haveit=yes |
|||
break |
|||
fi |
|||
done |
|||
if test -z "$haveit"; then |
|||
ltrpathdirs="$ltrpathdirs $dir" |
|||
fi |
|||
fi |
|||
;; |
|||
-l*) |
|||
dnl Handle this in the next round. |
|||
names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` |
|||
;; |
|||
*.la) |
|||
dnl Handle this in the next round. Throw away the .la's |
|||
dnl directory; it is already contained in a preceding -L |
|||
dnl option. |
|||
names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` |
|||
;; |
|||
*) |
|||
dnl Most likely an immediate library name. |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" |
|||
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" |
|||
;; |
|||
esac |
|||
done |
|||
fi |
|||
else |
|||
dnl Didn't find the library; assume it is in the system directories |
|||
dnl known to the linker and runtime loader. (All the system |
|||
dnl directories known to the linker should also be known to the |
|||
dnl runtime loader, otherwise the system is severely misconfigured.) |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" |
|||
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" |
|||
fi |
|||
fi |
|||
fi |
|||
done |
|||
done |
|||
if test "X$rpathdirs" != "X"; then |
|||
if test -n "$acl_hardcode_libdir_separator"; then |
|||
dnl Weird platform: only the last -rpath option counts, the user must |
|||
dnl pass all path elements in one option. We can arrange that for a |
|||
dnl single library, but not when more than one $LIBNAMEs are used. |
|||
alldirs= |
|||
for found_dir in $rpathdirs; do |
|||
alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" |
|||
done |
|||
dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl. |
|||
acl_save_libdir="$libdir" |
|||
libdir="$alldirs" |
|||
eval flag=\"$acl_hardcode_libdir_flag_spec\" |
|||
libdir="$acl_save_libdir" |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" |
|||
else |
|||
dnl The -rpath options are cumulative. |
|||
for found_dir in $rpathdirs; do |
|||
acl_save_libdir="$libdir" |
|||
libdir="$found_dir" |
|||
eval flag=\"$acl_hardcode_libdir_flag_spec\" |
|||
libdir="$acl_save_libdir" |
|||
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" |
|||
done |
|||
fi |
|||
fi |
|||
if test "X$ltrpathdirs" != "X"; then |
|||
dnl When using libtool, the option that works for both libraries and |
|||
dnl executables is -R. The -R options are cumulative. |
|||
for found_dir in $ltrpathdirs; do |
|||
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" |
|||
done |
|||
fi |
|||
popdef([P_A_C_K]) |
|||
popdef([PACKLIBS]) |
|||
popdef([PACKUP]) |
|||
popdef([PACK]) |
|||
popdef([NAME]) |
|||
]) |
|||
|
|||
dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, |
|||
dnl unless already present in VAR. |
|||
dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes |
|||
dnl contains two or three consecutive elements that belong together. |
|||
AC_DEFUN([AC_LIB_APPENDTOVAR], |
|||
[ |
|||
for element in [$2]; do |
|||
haveit= |
|||
for x in $[$1]; do |
|||
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) |
|||
if test "X$x" = "X$element"; then |
|||
haveit=yes |
|||
break |
|||
fi |
|||
done |
|||
if test -z "$haveit"; then |
|||
[$1]="${[$1]}${[$1]:+ }$element" |
|||
fi |
|||
done |
|||
]) |
|||
|
|||
dnl For those cases where a variable contains several -L and -l options |
|||
dnl referring to unknown libraries and directories, this macro determines the |
|||
dnl necessary additional linker options for the runtime path. |
|||
dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL]) |
|||
dnl sets LDADDVAR to linker options needed together with LIBSVALUE. |
|||
dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed, |
|||
dnl otherwise linking without libtool is assumed. |
|||
AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], |
|||
[ |
|||
AC_REQUIRE([AC_LIB_RPATH]) |
|||
AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) |
|||
$1= |
|||
if test "$enable_rpath" != no; then |
|||
if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then |
|||
dnl Use an explicit option to hardcode directories into the resulting |
|||
dnl binary. |
|||
rpathdirs= |
|||
next= |
|||
for opt in $2; do |
|||
if test -n "$next"; then |
|||
dir="$next" |
|||
dnl No need to hardcode the standard /usr/lib. |
|||
if test "X$dir" != "X/usr/$acl_libdirstem" \ |
|||
&& test "X$dir" != "X/usr/$acl_libdirstem2"; then |
|||
rpathdirs="$rpathdirs $dir" |
|||
fi |
|||
next= |
|||
else |
|||
case $opt in |
|||
-L) next=yes ;; |
|||
-L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` |
|||
dnl No need to hardcode the standard /usr/lib. |
|||
if test "X$dir" != "X/usr/$acl_libdirstem" \ |
|||
&& test "X$dir" != "X/usr/$acl_libdirstem2"; then |
|||
rpathdirs="$rpathdirs $dir" |
|||
fi |
|||
next= ;; |
|||
*) next= ;; |
|||
esac |
|||
fi |
|||
done |
|||
if test "X$rpathdirs" != "X"; then |
|||
if test -n ""$3""; then |
|||
dnl libtool is used for linking. Use -R options. |
|||
for dir in $rpathdirs; do |
|||
$1="${$1}${$1:+ }-R$dir" |
|||
done |
|||
else |
|||
dnl The linker is used for linking directly. |
|||
if test -n "$acl_hardcode_libdir_separator"; then |
|||
dnl Weird platform: only the last -rpath option counts, the user |
|||
dnl must pass all path elements in one option. |
|||
alldirs= |
|||
for dir in $rpathdirs; do |
|||
alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir" |
|||
done |
|||
acl_save_libdir="$libdir" |
|||
libdir="$alldirs" |
|||
eval flag=\"$acl_hardcode_libdir_flag_spec\" |
|||
libdir="$acl_save_libdir" |
|||
$1="$flag" |
|||
else |
|||
dnl The -rpath options are cumulative. |
|||
for dir in $rpathdirs; do |
|||
acl_save_libdir="$libdir" |
|||
libdir="$dir" |
|||
eval flag=\"$acl_hardcode_libdir_flag_spec\" |
|||
libdir="$acl_save_libdir" |
|||
$1="${$1}${$1:+ }$flag" |
|||
done |
|||
fi |
|||
fi |
|||
fi |
|||
fi |
|||
fi |
|||
AC_SUBST([$1]) |
|||
]) |
|||
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